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Rear transmission seal installation - 1997 Buick LeSabre

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There is a converter seal and two axle seals. which one are you wanting to replace.

Posted on Sep 30, 2010

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Transmission rear seal instalation


remove the drive shaft ( tail shaft) lever out the old seal. put sealer around new seal and fit back in extension housing. Use something that is the same size as the outer edge of the seal and tap it in flush with the edge of the transmission housing. Expect some oil to drain out when the tail shaft and seal is removed

Dec 25, 2014 | 1997 Chevrolet Blazer

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Rear transmission seal


When replacing a rear transmission seal or other seals, use a piece of wood and a hammer.Replacs the new seal by tapping the wood all around the seal so it goes in evenly.This way is doesn't damage the new seal and you have better control of the install.

on Aug 12, 2010 | GMC Sierra Cars & Trucks

1 Answer

How do I install the rear transmission seal on a 1996 gmc sierra 3500 5 speed manual transmission?


For the rear seal, remove the drive shaft, and the seal should be very visible there. Very fortunate, as this is the easiest and cheapest seal there is to replace! Be extremely careful installing the new one, if using a hammer or similar installation item. If it isn't seated properly the leak will continue. Good luck.

Nov 15, 2012 | 1996 GMC Sierra

1 Answer

Rear main seal


You must remove the transmission to replace the rear main, you must have the special tools to install it as well or you will just have another leak within a very short time after installing the new rear main seal.

Oct 15, 2012 | 2001 Dodge Dakota

1 Answer

Cost of replacing automatic rear transmission seal 1991 dodge dakota


If it is a 2 wheel drive, should be pretty cheap. The drive shaft comes out, the seal comes out, and the install is reverse.
You can check the cost of the part online for your area and whatever the labor rate is for your area, I would say 1 - 2 hrs.

Aug 31, 2012 | 1991 Dodge Dakota

2 Answers

I have 1994 bluebird nissan altima with oil leak in transmission side.What posssible causes of it?


The Rear Main Seal is the main area for an Oil Leak on the Transmission Side. You will need to drop the transmission to remove the old rear main seal and install the new one.

Mar 05, 2011 | 1994 Nissan Altima

1 Answer

Rear barring an seal replaced


I'm not sure if this is the right part of your car but, are you talking about the rear seal on the engine for the crankshaft?

If so:

Rear Main Oil Seal REMOVAL & INSTALLATION Fig. 1: Rear main seal installation for the 2.3L and 2.5L engines 85553306.gif
Fig. 2: Removing the rear main seal 85553307.gif
Fig. 3: Installing the rear main seal on the 2.9L engines 85553308.gif
If the crankshaft rear oil seal replacement is the only operation being performed, it can be done in the vehicle as detailed in the following procedure. If the oil seal is being replaced in conjunction with a rear main bearing replacement, the engine must be removed from the vehicle and installed on a work stand.
  1. Remove the starter.
  2. Remove the transmission from the vehicle, following the procedures in Section 7.
  3. On a manual shift transmission, remove the pressure plate and cover assembly and the clutch disc following the procedure in Section 7.
  4. Remove the flywheel attaching bolts and remove the flywheel and engine rear cover plate.
  5. Use an awl to punch two holes in the crankshaft rear oil seal. Punch the holes on opposite sides of the crankshaft and just above the bearing cap to cylinder block split line. Install a sheet metal screw in each hole. Use two large screwdrivers or small pry bars and pry against both screws at the same time to remove the crankshaft rear oil seal. It may be necessary to place small blocks of wood against the cylinder block to provide a fulcrum point for the pry bars. Use caution throughout this procedure to avoid scratching or otherwise damaging the crankshaft oil seal surface. To install:
  6. Clean the oil seal recess in the cylinder block and main bearing cap.
  7. Clean, inspect and polish the rear oil seal rubbing surface on the crankshaft. Coat a new oil seal and the crankshaft with a light film of engine oil. Start the seal in the recess with the seal lip facing forward and install it with a seal driver. Keep the tool, T82L-6701-A (4-cyl. engines) or T72C-6165 (6-cyl. engine) straight with the centerline of the crankshaft and install the seal until the tool contacts the cylinder block surface. Remove the tool and inspect the seal to be sure it was not damaged during installation.
  8. Install the engine rear cover plate. Position the flywheel on the crankshaft flange. Coat the threads of the flywheel attaching bolts with oil-resistant sealer and install the bolts. Tighten the bolts in sequence across from each other to the specifications listed in the torque chart in this section.
  9. On a manual shift transmission, install the clutch disc and the pressure plate assembly following the procedure in Section 7.
  10. Install the transmission, following the procedure in Section 7.
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Oct 07, 2010 | 1994 Ford Explorer Limited

1 Answer

My 1994 camaro w/ 3.4L engine has an oil leak in rear of engine. It is running down both sides of the block in rear. Oil filter is wet, but not leaking, the starter and bell housing drip oil and its...


This is most likely a leak from your rear main seal. It happens and can be a pain to replace if you're a DYI kinda person without the nec. equipment.
  1. Raise and safely support the vehicle with jackstands.
  2. Remove the transmission.
  3. If equipped with a manual transmission, remove the clutch and pressure plate.
  4. Remove the flywheel assembly.
  5. Using a suitable prytool, carefully pry the old seal out.
6. Inspect the crankshaft for nicks or burrs, correct as required.
88143g59.gif Crankshaft rear main seal - 5.7L engine

To install:
  1. Clean the area and coat the seal with engine oil. Install the seal onto tool J-34686 for 3.4L engines, J 41349 for 3.8L engines or J 35621 for 5.7L engines.
  2. Install the tool (with the seal mounted to it) onto the rear of the crankshaft. Tighten the screws snugly to be sure the seal will be installed squarely over the crankshaft.
88143g60.gif Exploded view of the rear main seal installation - 3.4L engine
Click to Enlarge

  1. Tighten the wing nut on the installation tool until it bottoms out.
  2. Remove the tool from the crankshaft or rear oil seal housing, as applicable.
88143g61.gif Rear main seal and installation tool - 3.8L engine
Click to Enlarge
88143g62.gif After position the seal on the tool, install it to the crankshaft housing

  1. Install the flywheel.
  2. If equipped with a manual transmission, install the clutch and pressure plate.
  3. Install the transmission.
  4. Check the fluid levels, start the engine and check for leaks.

Dec 30, 2009 | 1995 Chevrolet Camaro

1 Answer

Rear main seal leaks..does this affect transmission??


A leaking rear main seal will not cause your transmission to leak.

The transmission has its own seal and should not leak because of the engine rear main seal.

Due to the labor involved in replacing the rear main seal on the engine, it is best if you replace the front transmission seal at the same time if possible.

Installation varies on different vehicles but the principles are the same.

Apr 15, 2009 | 1997 Oldsmobile Regency

1 Answer

Rear transmission leak


it sounds like you have a tail shaft seal gone in the transmission it's not a difficult fix if you are handy. Remove the drive shaft and remove the tail stock seal(there are install and removal tools but a hammer and a screwdriver will remove it nicely)then replace with new seal (if you don't have the install tool a 5" long piece of 2x4 and a hammer works BE GENTLE!!!!)and reinstall drive shaft..........these seals are available at your local auto parts store and are usually no more tan $10.00
hope this helps!.........good luck!

Jan 11, 2009 | 2001 Ford Expedition

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